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Valve (JBoss/Common API) - JBoss 3.2.7 common API Documentation 英文版文档

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org.jboss.util
Class Valve

java.lang.Object
  org.jboss.util.Valve

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public class Valve

extends Object

A simple valve with no support for re-opening.

Version:

$Revision: 1.1.2.1 $

Author:

Adrian Brock

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Field Summary
static int	CLOSED           The valve is in hold state
static int	CLOSING           The valve is in holding state
protected  int	invocations           The invocation count
static int	OPEN           The valve is open
protected  int	state           The state
protected  Object	stateLock           The state lock

 

Constructor Summary
	Valve()           Create a valve in the open state
protected	Valve(int state)           Create a valve with the give initial state

 

Method Summary
void	afterInvocation()           Invoked after an invocation
boolean	beforeInvocation()           Invoked before an invocation
void	closed()           Invoked after closing
void	closing()           Invoked before closing
boolean	isClosed()           Are we closed?

 

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

 

Field Detail

OPEN

public static final int OPEN

The valve is open

See Also:

Constant Field Values

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CLOSING

public static final int CLOSING

The valve is in holding state

See Also:

Constant Field Values

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CLOSED

public static final int CLOSED

The valve is in hold state

See Also:

Constant Field Values

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stateLock

protected Object stateLock

The state lock

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state

protected int state

The state

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invocations

protected int invocations

The invocation count

Constructor Detail

Valve

public Valve()

Create a valve in the open state

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Valve

protected Valve(int state)

Create a valve with the give initial state

Parameters:

state - the initial state

Method Detail

isClosed

public boolean isClosed()

Are we closed?

Returns:

true when closing or closed, false otherwise

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beforeInvocation

public boolean beforeInvocation()

Invoked before an invocation

Returns:

true if allowed entry, false otherwise

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afterInvocation

public void afterInvocation()

Invoked after an invocation

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closing

public void closing()

Invoked before closing

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closed

public void closed()

Invoked after closing

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